<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计:<text class="amount">￥{{checkGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>
<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	
	export default {
		data(){
			return{
				seconds:3,
				// 定时器
				timer:null
			}
		},
		computed:{
			...mapGetters('my_cart',['checkedCount','total','checkGoodsAmount']),
			...mapGetters('my_user',['addstr']),
			...mapState('my_user',['token']),
			...mapState('my_cart',['cart']),
			
			isFullCheck(){
				return this.total === this.checkedCount
			}
		},
		methods:{
			...mapMutations('my_cart',['updateAllGoodsState']),
			...mapMutations('my_user',['updateRedirectInfo']),
			
			changeAllState(){
				console.log(!this.isFullCheck)
				// 因为点击之后就是反的了
				this.updateAllGoodsState(!this.isFullCheck)
			},
			// 用户点击了结算按钮
			settlement(){
				if(!this.checkedCount) return uni.$showMsg('请选择结算的商品！')
				
				if(!this.addstr) return uni.$showMsg('请选择收货地址！')
				
				// if(!this.token) return uni.$showMsg('请先登录！')
				if(!this.token) return this.delayNavigate()
				
				this.payOrder()
			},
			async payOrder(){
				// 1.创建订单
				// 1.1 组织订单的信息对象
				const orderInfo = {
					// order_price: this.checkGoodsAmount,
					order_price:0.01,
					consignee_addr: this.addstr,
					goods:this.cart.filter(x => x.goods_state).map(x => ({
						goods_id : x.goods_id,
						goods_number: x.goods_count,
						goods_price:x.goods_price
					}))
				}
				// 1.2 发起请求创建订单
				const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				if(res.meta.status !== 200) return uni.$showMsg('创建订单失败!')
				
				// 1.3 得到服务器相应的 "订单编号"
				const orderNumber = res.message.order_number
				
				console.log(orderNumber)
				
				
				// 2.订单预支付
				// 2.1 发起请求获取订单支付信息
				const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				
				// 2.2 预支付订单失败
				if(res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！')
				// 2.3 得到了订单支付相关的必要参数
				const payInfo = res2.message.pay 
				console.log(payInfo)
				
				
				// 3 发起微信支付
				// 3.1 调用uni.requestPayment()发起微信支付
				const [err,succ] = await uni.requestPayment(payInfo)
				// 3.2 未完成支付
				if(err) return uni.$showMsg('订单未支付！')
				// 3.3完成了支付  进一步查询支付结果
				const {data:res3} = await uni.$http.post('api/publi/v1/my/orders/chkOrder',{order_number:orderNumber})
				// 3.4 检测到订单未支付
				if(res3.meta.status !== 200) return uni.$showMsg('订单未支付!')
				// 3.5 检测到订单支付完成
				uni.showToast({
					title:'订单支付完成',
					icon:'success'
				})
			},
			// 延时导航到my界面
			delayNavigate(){
				
				this.showTips(this.seconds)
				
				this.timer = setInterval(()=>{
					this.seconds--
					
					if(this.seconds <= 0){
						clearInterval(this.timer)
						
						uni.switchTab({
							url:'/pages/my/my',
							success() {
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						
						this.seconds = 3
						
						return
					}
					 
					this.showTips(this.seconds)
				},1000)
			},
			// 展示倒计时的提示消息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请登陆后再结算'+n+'秒后自动跳转到登录页',
					// mask防止点击穿透
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>
<style>
	/* 结算组件对应的css */
</style>
